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#1 |
Senior Member
![]() Join Date: Mar 2012
Location: ripley ny
Posts: 2,987
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speedometer calibration
i have a 69 gmc k2500 with t-221 and sm 465. i swapped out the 4:56 gear and put in 3:54, and has 33'' tires. anyone know the reducer adapter i may need ? or where to get help?
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